Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CY

Chen-Hua Yu

TSMC: 1900 patents #1 of 12,232Top 1%
ATAT&T: 21 patents #780 of 18,772Top 5%
TLTsmc Solid State Lighting: 13 patents #8 of 86Top 10%
TTTaiwan Union Technology: 4 patents #10 of 23Top 45%
BOBombardier: 3 patents #102 of 509Top 25%
EPEpistar: 3 patents #302 of 732Top 45%
SUSoutheast University: 2 patents #123 of 873Top 15%
PFParabellum Strategic Opportunities Fund: 2 patents #1 of 25Top 4%
TCTaiwan Semiconductor Co.: 1 patents #22 of 44Top 50%
IMImec: 1 patents #297 of 687Top 45%
Hsinchu, TW: #1 of 4 inventorsTop 25%
Overall (All Time): #17 of 4,157,543Top 1%
1955 Patents All Time

Issued Patents All Time

Showing 1,951–1,955 of 1,955 patents

Patent #TitleCo-InventorsDate
5278096 Transistor fabrication method Kuo-Hua Lee 1994-01-11
5246887 Dielectric deposition 1993-09-21
5215930 Integrated circuit etching of silicon nitride and polysilicon using phosphoric acid Kuo-Hua Lee 1993-06-01
5212116 Method for forming planarized films by preferential etching of the center of a wafer 1993-05-18
5068207 Method for producing a planar surface in integrated circuit manufacturing Ajit S. Manocha 1991-11-26